Test Report_20190829_v1 - Test Report (DFS) rev2

FCC ID: A4R-H2C

Test Report

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FCCID_4420011

                                                               DFS Test Report

                       Report No.: RF190606C07-3

                             FCC ID: A4R-H2C

                    Model Name: H2C

                 Received Date: Jun. 06, 2019

                         Test Date: Jul. 09, 2019

                     Issued Date: Jul. 17, 2019


                         Applicant: Google LLC

                           Address: 1600 Amphitheatre Parkway, Mountain View, CA 94043, USA


                        Issued By: Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch

                    Lab Address: No. 47-2, 14th Ling, Chia Pau Vil., Lin Kou Dist., New Taipei City, Taiwan
                                 (R.O.C.)
                  Test Location: No. 19, Hwa Ya 2nd Rd., Wen Hwa Vil., Kwei Shan Dist., Taoyuan City
                                 33383, TAIWAN (R.O.C.)
         FCC Registration / 788550 / TW0003
       Designation Number:




This report is for your exclusive use. Any copying or replication of this report to or for any other person or entity, or use of our name or trademark, is permitted
only with our prior written permission. This report sets forth our findings solely with respect to the test samples identified herein. The results set forth in this
report are not indicative or representative of the quality or characteristics of the lot from which a test sample was taken or any similar or identical product
specifically and expressly noted. Our report includes all of the tests requested by you and the results thereof based upon the information that you provided to
us. You have 60 days from date of issuance of this report to notify us of any material error or omission caused by our negligence, provided, however, that such
notice shall be in writing and shall specifically address the issue you wish to raise. A failure to raise such issue within the prescribed time shall constitute your
unqualified acceptance of the completeness of this report, the tests conducted and the correctness of the report contents. Unless specific mention, the
uncertainty of measurement has been explicitly taken into account to declare the compliance or non-compliance to the specification.
The report must not be used by the client to claim product certification, approval, or endorsement by TAF or any government agencies.

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                                                                    Table of Contents
Release Control Record .................................................................................................................................. 3
1          Certificate of Conformity...................................................................................................................... 4
2          EUT Information .................................................................................................................................... 5
     2.1      Operating Frequency Bands and Mode of EUT .................................................................................. 5
     2.2      EUT Software and Firmware Version .................................................................................................. 5
     2.3      Description of Available Antennas to the EUT .................................................................................... 5
     2.4      EUT Maximum Conducted Power ....................................................................................................... 6
     2.5      EUT Maximum E.I.R.P. Power ............................................................................................................ 7
     2.6      Transmit Power Control (TPC) ............................................................................................................ 7
     2.7      Statement of Maunfacturer.................................................................................................................. 7
3          U-NII DFS Rule Requirements ............................................................................................................. 8
     3.1      Working Modes and Required Test Items ........................................................................................... 8
     3.2      Test Limits and Radar Signal Parameters........................................................................................... 9
4          Test & Support Equipment List ......................................................................................................... 12
     4.1      Test Instruments ................................................................................................................................ 12
     4.2      Description of Support Units ............................................................................................................. 12
5          Test Procedure .................................................................................................................................... 13
     5.1      DFS Measurement System ............................................................................................................... 13
     5.2      Calibration of DFS Detection Threshold Level .................................................................................. 14
     5.3      Deviation from Test Standard ............................................................................................................ 14
     5.4      Radiated Test Setup Configuration ................................................................................................... 15
     5.4.1    Client without Radar Detection Mode ................................................................................................ 15
6          Test Results ......................................................................................................................................... 15
     6.1      Summary of Test Results .................................................................................................................. 15
     6.2      Test Results ....................................................................................................................................... 16
     6.2.1    Test Mode: Device Operating In Client without Radar Detection Mode. ........................................... 16
     6.2.2    Channel Closing Transmission and Channel Move Time.................................................................. 17
     6.2.3    Non-Occupancy Period ..................................................................................................................... 23
     6.2.4    Non-Associated Test.......................................................................................................................... 25
     6.2.5    Non-Co-Channel Test ........................................................................................................................ 25
7.         Information of the Testing Laboratories ........................................................................................... 26




Report No.: RF190606C07-3                                             Page No. 2 / 26                                             Report Format Version: 6.1.2


                                          Release Control Record


Issue No.              Description                                        Date Issued
RF190606C07-3          Original release                                   Jul. 17, 2019




Report No.: RF190606C07-3                    Page No. 3 / 26       Report Format Version: 6.1.2


1    Certificate of Conformity


          Product: Interactive media streaming device

      Model Name: H2C

    Sample Status: Production Unit

        Applicant: Google LLC

        Test Date: Jul. 09, 2019

        Standards: FCC Part 15, Subpart E (Section 15.407)
                       KDB 905462 D02 UNII DFS Compliance Procedures New Rules v02
                       KDB 905462 D03 UNII Clients Without Radar Detection New Rules v01r02




The above equipment has been tested by Bureau Veritas Consumer Products Services (H.K.) Ltd.,
Taoyuan Branch, and found compliance with the requirement of the above standards. The test record, data
evaluation & Equipment Under Test (EUT) configurations represented herein are true and accurate accounts
of the measurements of the sample’s RF characteristics under the conditions specified in this report.




      Prepared by :                                              , Date:         Jul. 17, 2019
                            Pettie Chen / Senior Specialist




     Approved by :                                               , Date:         Jul. 17, 2019
                            Bruce Chen / Project Engineer




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2     EUT Information
2.1     Operating Frequency Bands and Mode of EUT
                              Table 1: Operating Frequency Bands and Mode of EUT

                                                                Operating Frequency Range
             Operational Mode
                                                5250~5350MHz                        5470~5725MHz
Client without radar detection and ad
                                                                                             
            hoc function


2.2     EUT Software and Firmware Version
                                  Table 2: The EUT Software/Firmware Version

              Product                                Interactive media streaming device
             Model Name                                                H2C
                 SN                                             9514105APZZ2CL
             HW Version                                                EVT
             SW Version                     SD8987-16.100.10.P10-C4X15C636a-GPL-<FP100>
             FW Version                     SD8987-16.100.10.P10-C4X15C636a-GPL-<FP100>


2.3     Description of Available Antennas to the EUT
                                             Table 3: Antenna List
                                                Operation Frequency Range
      Ant. No.              Antenna Type                                                    Gain (dBi)
                                                          (MHz)
         1                      PIFA                 5250-5350 MHz                            3.10
         1                      PIFA                    5470-5725 MHz                         5.15
         2                      PIFA                    5250-5350 MHz                         2.69
         2                      PIFA                    5470-5725 MHz                         5.35




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2.4   EUT Maximum Conducted Power
                            Table 4: The Measured Conducted Output Power
802.11a

   Frequency Band                                           Max. Power
       (MHz)                  Output Power (dBm)                         Output Power (mW)
      5250~5350                      22.52                                    178.649
      5470~5725                      21.33                                    135.831

802.11n HT20

   Frequency Band                                           Max. Power
       (MHz)                  Output Power (dBm)                         Output Power (mW)
      5250~5350                      22.63                                    183.231
      5470~5725                      21.40                                    138.038

802.11n HT40

   Frequency Band                                           Max. Power
       (MHz)                  Output Power (dBm)                         Output Power (mW)
      5250~5350                      18.89                                    77.446
      5470~5725                      21.34                                    136.144

802.11ac VHT80

   Frequency Band                                           Max. Power
       (MHz)                  Output Power (dBm)                         Output Power (mW)
      5250~5350                      13.46                                    22.182
      5470~5725                      18.25                                    66.834




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2.5   EUT Maximum E.I.R.P. Power
                                    Table 5: The EIRP Output Power List
802.11a
                                                           Max. EIRP Power
 Frequency Band (MHz)
                                   Output Power (dBm)                              Output Power (mW)

       5250~5350                          25.62                                         364.754

       5470~5725                          26.68                                         465.586

802.11n HT20
                                                           Max. EIRP Power
 Frequency Band (MHz)
                                   Output Power (dBm)                              Output Power (mW)

       5250~5350                          25.73                                         374.111

       5470~5725                          26.75                                         473.151

802.11n HT40
                                                           Max. EIRP Power
 Frequency Band (MHz)
                                   Output Power (dBm)                              Output Power (mW)

       5250~5350                          21.99                                         158.125

       5470~5725                          26.69                                         466.659

802.11ac VHT80
                                                           Max. EIRP Power
 Frequency Band (MHz)
                                   Output Power (dBm)                              Output Power (mW)

       5250~5350                          16.56                                         45.290

       5470~5725                          23.60                                         229.087


2.6   Transmit Power Control (TPC)
U-NII devices operating in the 5.25-5.35 GHz band and the 5.47-5.725 GHz band shall employ a TPC
mechanism. The U-NII device is required to have the capability to operate at least 6 dB below the mean EIRP
value of 30 dBm. A TPC mechanism is not required for systems with an e.i.r.p. of less than 500 mW.

Maximum EIRP of this device is 473.151mW less than 500mW, therefore it’s not require TPC function.

  Applicable       E.I.R.P                                     FCC 15.407 (h)(1)

                  >500mW      The TPC mechanism is required for system with an E.I.R.P of above 500mW

       √          <500mW     The TPC mechanism is not required for system with an E.I.R.P of less 500mW


2.7   Statement of Maunfacturer
Manufacturer statement confirming that information regarding the parameters of the detected Radar
Waveforms is not available to the end user. And the device doesn’t have Ad Hoc mode on DFS frequency
band.

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3      U-NII DFS Rule Requirements
3.1     Working Modes and Required Test Items
The manufacturer shall state whether the UUT is capable of operating as a Master and/or a Client. If the UUT
is capable of operating in more than one operating mode then each operating mode shall be tested separately.
See tables 6 and 7 for the applicability of DFS requirements for each of the operational modes.

                       Table 6: Applicability of DFS Requirements Prior To Use a Channel

                                                                   Operational Mode
                Requirement                                        Client without radar      Client with radar
                                                   Master
                                                                        detection                detection
           Non-Occupancy Period                                           note                     
          DFS Detection Threshold                                    Not required                  
       Channel Availability Check Time                               Not required             Not required
          U-NII Detection Bandwidth                                   Not required                 
Note: Per KDB 905462 D03 UNII Clients Without Radar Detection New Rules v01r02 section (b)(5/6),
If the client moves with the master, the device is considered compliant if nothing appears in the client
non-occupancy period test. For devices that shut down (rather than moving channels), no beacons should
appear. An analyzer plot that contains a single 30-minute sweep on the original channel.


                      Table 7: Applicability of DFS Requirements during Normal Operation.

                                                                    Operational Mode
                Requirement                    Master or Client with radar
                                                                              Client without radar detection
                                                       detection
          DFS Detection Threshold                                                     Not required
      Channel Closing Transmission Time                                                       
             Channel Move Time                                                                
          U-NII Detection Bandwidth                                                      Not required

  Additional requirements for devices with      Master or Client with radar
                                                                               Client without radar detection
         multiple bandwidth modes                       detection
 U-NII Detection Bandwidth and Statistical
                                              All BW modes must be tested               Not required
            Performance Check
 Channel Move Time and Channel Closing         Test using widest BW mode Test using the widest BW mode
             Transmission Time                           available                  available for the link
               All other tests                     Any single BW mode                   Not required
Note: Frequencies selected for statistical performance check (Section 7.8.4) should include several
frequencies within the radar detection bandwidth and frequencies near the edge of the radar detection
bandwidth. For 802.11 devices it is suggested to select frequencies in each of the bonded 20 MHz channels
and the channel center frequency.




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3.2   Test Limits and Radar Signal Parameters
Detection Threshold Values

       Table 8: DFS Detection Thresholds for Master Devices And Client Devices With Radar Detection
                                                                             Value
               Maximum Transmit Power
                                                                     (See Notes 1, 2, and 3)
                  EIRP ≥ 200 milliwatt                                     -64 dBm
                EIRP < 200 milliwatt and
                                                                                -62 dBm
         power spectral density < 10 dBm/MHz
       EIRP < 200 milliwatt that do not meet the
                                                                                -64 dBm
          power spectral density requirement
Note 1: This is the level at the input of the receiver assuming a 0 dBi receive antenna.
Note 2: Throughout these test procedures an additional 1 dB has been added to the amplitude of the test
transmission waveforms to account for variations in measurement equipment. This will ensure that the test
signal is at or above the detection threshold level to trigger a DFS response.
Note3: EIRP is based on the highest antenna gain. For MIMO devices refer to KDB Publication 662911 D01.

                                   Table 9: DFS Response Requirement Values

                       Parameter                                              Value
                 Non-occupancy period                                 Minimum 30 minutes
           Channel Availability Check Time                                    60 seconds
                                                                              10 seconds
                 Channel Move Time
                                                                              See Note 1.
                                                                 200 milliseconds + an aggregate of 60
          Channel Closing Transmission Time                 milliseconds over remaining 10 second period.
                                                                           See Notes 1 and 2.
                                                         Minimum 100% of the U-NII 99% transmission power
              U-NII Detection Bandwidth
                                                                         bandwidth. See Note 3
Note 1: Channel Move Time and the Channel Closing Transmission Time should be performed with Radar
Type 0. The measurement timing begins at the end of the Radar Type 0 burst.
Note 2: The Channel Closing Transmission Time is comprised of 200 milliseconds starting at the beginning of
the Channel Move Time plus any additional intermittent control signals required to facilitate a Channel move
(an aggregate of 60 milliseconds) during the remainder of the 10 second period. The aggregate duration of
control signals will not count quiet periods in between transmissions.
Note 3: During the U-NII Detection Bandwidth detection test, radar type 0 should be used. For each
frequency step the minimum percentage of detection is 90 percent. Measurements are performed with no
data traffic.




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Parameters of DFS Test Signals

Step intervals of 0.1 microsecond for Pulse Width, 1 microsecond for PRI, 1 MHz for chirp width and 1 for the
number of pulses will be utilized for the random determination of specific test waveforms.



                                   Table 10: Short Pulse Radar Test Waveforms
                                                                                 Minimum
                                                                                                    Minimum
  Radar      Pulse Width             PRI                    Number             Percentage of
                                                                                                    Number of
  Type         (µsec)               (µsec)                 of Pulses            Successful
                                                                                                      Trials
                                                                                 Detection
     0             1                1428                        18              See Note 1         See Note 1
     1             1        Test A: 15 unique                                      60%                  30
                            PRI values randomly                      1 .
                            selected from the list                  360
                            of 23 PRI values in      Roundup
                            Table 5a                                19 · 106
                                                                    PRIμsec

                            Test B: 15 unique
                            PRI values randomly
                            selected within the
                            range of 518-3066μ
                            sec, with a minimum
                            increment of 1μsec,
                            excluding PRI values
                            selected in Test A
     2            1-5              150-230                     23-29               60%                  30
     3           6-10              200-500                     16-18               60%                  30
     4          11-20              200-500                     12-16               60%                  30
                     Aggregate (Radar Types 1-4)                             80%               120
Note 1: Short Pulse Radar Type 0 should be used for the detection bandwidth test, channel move time, and
        channel closing time tests.




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                                      Table 11: Long Pulse Radar Test Waveform
             Pulse     Chirp                   Number Of                   Minimum Percentage         Minimum
Radar                                 PRI                      Number Of
            Width     Width                    Pulses Per                     Of Successful          Number Of
Type                                 (µsec)                      Bursts
            (µsec)    (MHz)                      Burst                          Detection              Trials
   5        50-100     5-20    1000-2000          1-3               8-20          80%                    30
Three subsets of trials will be performed with a minimum of ten trials per subset. The subset of trials differ in
where the Long Pulse Type 5 Signal is tuned in frequency.

a) the Channel center frequency
b) tuned frequencies such that 90% of the Long Pulse Type 5 frequency modulation is within the low edge of
the UUT Occupied Bandwidth
c) tuned frequencies such that 90% of the Long Pulse Type 5 frequency modulation is within the high edge of
the UUT Occupied Bandwidth

It include 10 trails for every subset, the formula as below,

For subset case 1: the center frequency of the signal generator will remain fixed at the center of the UUT
Channel.

For subset case 2: to retain 90% frequency overlap between the radar signal and the UUT Occupied
Bandwidth, the center frequency of the signal generator will vary for each of the ten trials in subset case 2.
The center frequency of the signal generator for each trial is calculated by:

  +(0.4∗               [       ])

For subset case 3: to retain 90% frequency overlap between the radar signal and the UUT Occupied
Bandwidth, the center frequency of the signal generator will vary for each of the ten trials in subset case 3.
The center frequency of the signal generator for each trial is calculated by:

   −(0.4∗               [       ])

                               Table 12: Frequency Hopping Radar Test Waveform
            Pulse                             Hopping    Hopping      Minimum Percentage               Minimum
Radar                  PRI     Pulses per
            Width                              Rate   Sequence Length    Of Successful                Number Of
Type                  (µsec)      Hop
            (µsec)                             (kHz)      (msec)           Detection                    Trials
   6          1        333             9       0.333       300               70%                          30




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4        Test & Support Equipment List
4.1        Test Instruments
                                          Table 13: Test Instruments List
                                                                                Date Of           Due Date Of
Description & Manufacturer          Model No.                Brand
                                                                               Calibration         Calibration
          Spectrum analyzer           ESR                     R&S             Mar. 06, 2019       Mar. 05, 2020
           Signal generator           MXG                 KEYSIGHT            Dec. 24, 2018       Dec. 23, 2019
            Horn antenna          BBHA 9120 D            Schwarzbeck          Nov. 25, 2018       Nov. 24, 2019
          RF coaxial cable        SUCOFLEX 104        HUBER SUHNER            Aug. 23, 2018       Aug. 22, 2019


4.2        Description of Support Units
                                          Table 14: Support Unit Information.

    No.           Product           Brand        Model No.           FCC ID         Gain
                                                                             5G Ant gain : 1.61dBi
  1            Router          NETGEAR       R7800      PY315100319
                                                                          Maximum EIRP : 25.47dBm
Note: This device was functioned as a Master    Slave device during the DFS test.

                                      Table 15: Software/Firmware Information.

    No.                 Product                    Model No.                    Software/Firmware Version
    1.                  Router                       R7800                              V1.0.2.36




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5       Test Procedure
5.1      DFS Measurement System
A complete DFS Measurement System consists of two subsystems: (1) the Radar Signal Generating
Subsystem and (2) the Traffic Monitoring Subsystem. The control PC is necessary for generating the Radar
waveforms in Table 10, 11 and 12. The traffic monitoring subsystem is specified to the type of unit under test
(UUT).

Radiated Setup Configuration of DFS Measurement System




System testing will be performed with channel-loading using means appropriate to the data types that are
used by the unlicensed device. The following requirements apply:
          a) The data file must be of a type that is typical for the device (i.e., MPEG-2, MPEG-4, WAV, MP3,
          MP4, AVI, etc.) and must generally be transmitting in a streaming mode.
          b) Software to ping the client is permitted to simulate data transfer but must have random ping
          intervals.
          c) Timing plots are required with calculations demonstrating a minimum channel loading of
    V
          approximately 17% or greater.
          d) Unicast or Multicast protocols are preferable but other protocols may be used. The appropriate
          protocol used must be described in the test procedures.




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Wireless Traffic Loading


                                                             Traffic Signal
                                                                                       Noise Floor




5.2   Calibration of DFS Detection Threshold Level
The measured channel is 5500MHz, 5510MHz, 5530MHz, 5720MHz, 5710MHz and 5690MHz. The radar
signal was the same as transmitted channels, and injected into the antenna of AP (master) or Client Device
with Radar Detection, measured the channel closing transmission time and channel move time. The
calibrated conducted detection threshold level is set to -64dBm. The tested level is lower than required level
hence it provides margin to the limit.

Radiated setup configuration of Calibration of DFS Detection Threshold Level

The radar signal generate system is gererating waveform pattern of radar types. The amplitude of the radar
signal generator system is adjusted to yield a level of–64 dBm as measured on the spectrum analyzer.

The interference detection threshold level is lower than – 64dBm hence it provides margin to the limit.




5.3   Deviation from Test Standard

No deviation.



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5.4     Radiated Test Setup Configuration
5.4.1    Client without Radar Detection Mode




6      Test Results
6.1     Summary of Test Results

      Clause                  Test Parameter                        Remarks               Pass/Fail

      15.407    DFS Detection Threshold                           Not Applicable              NA

      15.407    Channel Availability Check Time                   Not Applicable              NA

      15.407    Channel Move Time                                  Applicable                Pass

      15.407    Channel Closing Transmission Time                  Applicable                Pass

      15.407    Non- Occupancy Period                              Applicable                Pass

      15.407    Uniform Spreading                                 Not Applicable              NA

      15.407    U-NII Detection Bandwidth                         Not Applicable              NA

      15.407    Non-associated test                                Applicable                Pass

      15.407    Non-Co-Channel test                                Applicable                Pass




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6.2     Test Results
6.2.1    Test Mode: Device Operating In Client without Radar Detection Mode.
Client with injection at the Master. (The radar test signals are injected into the Master Device)

DFS Detection Threshold

For detection threshold level of -64dBm, the required signal strength at AP antenna location is -64 dBm. The
tested level is lower than required level for 1dB, hence it provides margin to the limit.




                                                                                    Radar signal




                                                                                               Noise Floor




                                                Radar Signal 0




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6.2.2   Channel Closing Transmission and Channel Move Time
Radar Signal 0
802.11n HT20 CH100


                     Traffic Signal


                             Radar Signal




                                                                              Noise Floor




Note: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.


                             Traffic Signal


                                      Radar Signal

                                                                                            Noise Floor




Note: An expanded plot for the device vacates the channel in the required 500ms.




Report No.: RF190606C07-3                            Page No. 17 / 26               Report Format Version: 6.1.2


Radar Signal 0
802.11n HT40 CH102


                               Traffic Signal


                               Radar Signal




                                                                              Noise Floor




Note: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.



                            Traffic Signal
                                                Radar Signal




                                                                                       Noise Floor




Note: An expanded plot for the device vacates the channel in the required 500ms.




Report No.: RF190606C07-3                         Page No. 18 / 26                  Report Format Version: 6.1.2


Radar Signal 0
802.11ac VHT80 CH106


                   Traffic Signal


                            Radar Signal




                                                                                             Noise Floor




Note: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.


                               Traffic Signal



                                                Radar Signal                                 Noise Floor




Note: An expanded plot for the device vacates the channel in the required 500ms.




Report No.: RF190606C07-3                        Page No. 19 / 26                  Report Format Version: 6.1.2


Radar Signal 0
802.11n HT20 CH144

                     Traffic Signal


                             Radar Signal




                                                                              Noise Floor




Note: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.


                             Traffic Signal



                                      Radar Signal

                                                                                                 Noise Floor




Note: An expanded plot for the device vacates the channel in the required 500ms.




Report No.: RF190606C07-3                            Page No. 20 / 26               Report Format Version: 6.1.2


Radar Signal 0
802.11n HT40 CH142

                        Traffic Signal




                            Radar Signal




                                                                                       Noise Floor




Note: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.



                            Traffic Signal




                                               Radar Signal




                                                                                           Noise Floor




Note: An expanded plot for the device vacates the channel in the required 500ms.




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Radar Signal 0
802.11ac VHT80 CH138

                   Traffic Signal


                            Radar Signal




                                                                                        Noise Floor




Note: T1 denotes the start of Channel Move Time upon the end of the last Radar burst. T2 denotes the data
transmission time of 200ms from T1. T3 denotes the end of Channel Move Time.T4 denotes the 10 second
from T1 to observe the aggregate duration of transmissions.



                              Traffic Signal

                                               Radar Signal




                                                                                           Noise Floor




Note: An expanded plot for the device vacates the channel in the required 500ms.




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6.2.3   Non-Occupancy Period
Associate test:

During the 30 minutes observation time, UUT did not make any transmissions on a channel after a radar
signal was detected on that channel by either the Channel Availability Check or the In-Service Monitoring.

1) EUT (Client) links with master on 5500MHz.
                                    Waveform of EUT links up with Master




2) Client plays specified files via master.

                                          Waveform of transmission




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3) Radar signal 0 is applied to the Master device and WiFi traffic signal stop immediately.




4) 5500MHz has been monitored in 30 minutes period. In this period, no any transmission occurs.

                                          Plot of 30minutes period
802.11n HT20

                 Traffic Signal




                  Injected into Radar



                                                                                  Noise Floor




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6.2.4   Non-Associated Test
Master was off.
During the 30 minutes observation time, The UUT did not make any transmissions in the DFS band after UUT
power up.




                                                                                   Noise Floor




6.2.5   Non-Co-Channel Test
The UUT was investigated after radar was detected and confirmed that no co-channel operation with radars.




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7. Information of the Testing Laboratories
We, Bureau Veritas Consumer Products Services (H.K.) Ltd., Taoyuan Branch, were founded in 1988 to
provide our best service in EMC, Radio, Telecom and Safety consultation. Our laboratories are FCC
recognized accredited test firms and accredited and approved according to ISO/IEC 17025.

If you have any comments, please feel free to contact us at the following:

Linko EMC/RF Lab                                      Hsin Chu EMC/RF/Telecom Lab
Tel: 886-2-26052180                                   Tel: 886-3-6668565
Fax: 886-2-26051924                                   Fax: 886-3-6668323

Hwa Ya EMC/RF/Safety Lab
Tel: 886-3-3183232
Fax: 886-3-3270892

Email: service.adt@tw.bureauveritas.com
Web Site: www.bureauveritas-adt.com

The address and road map of all our labs can be found in our web site also.



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Report No.: RF190606C07-3                     Page No. 26 / 26                   Report Format Version: 6.1.2



Document Created: 2019-09-16 15:30:17
Document Modified: 2019-09-16 15:30:17

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